There was a thread recently asking about this but I couldn't find it to add this too.
http://www.bnbfishing.com.au/boating...rds-timetable/

The government Update Paper announced just before Christmas sees the Bill introduced to Parliament in February/March, with the final bill passed and regulations in place by August.
Importers will then have up to nine months to plan for final shipments to arrive. The final date for carby two-stroke imports is June 30, 2018.
Stockpiling will be actively discouraged. Importers and dealers will still be able to sell non-compliant engines but only for 12 months after imports stop. After July 1, 2019, any carby outboards in stock at dealers or importers must be destroyed or re-exported.